title: N-heterocyclic carbene catalyzed [4+3] annulation of enals and o-quinone methides: highly enantioselective synthesis of benzo-ε-lactones.
authors.affiliation: Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
authors.forename: Hui
authors.initials: H
authors.lastname: Lv
authors.forename: Wen-Qiang
authors.initials: WQ
authors.lastname: Jia
authors.forename: Li-Hui
authors.initials: LH
authors.lastname: Sun
authors.forename: Song
authors.initials: S
authors.lastname: Ye
mesh_terms: D000447:Aldehydes / Q000737:chemistry*; D016227:Benzoquinones / Q000737:chemistry*; D002384:Catalysis; D018360:Crystallography, X-Ray; D006571:Heterocyclic Compounds / Q000737:chemistry*; D045563:Indolequinones / Q000737:chemistry*; D007783:Lactones / Q000138:chemical synthesis*; D009682:Magnetic Resonance Spectroscopy; D008697:Methane / Q000031:analogs & derivatives* / Q000737:chemistry; D015394:Molecular Structure; D013237:Stereoisomerism
chemical_list: D000447:Aldehydes; D016227:Benzoquinones; D006571:Heterocyclic Compounds; D045563:Indolequinones; D007783:Lactones; C068040:quinone methide; C030011:carbene; C004532:quinone; D008697:Methane
keywords: N-heterocyclic carbene; annulation; enantioselectivity; organocatalysis; synthetic methods